.main{
    height: calc(100% - 40px);
    overflow: hidden;
    margin: 0;
    padding: 0;
}
.leftitem{
    float: left;
    margin-bottom: 0;
    margin-right: 10px;
    height: 100%;
    padding: 0;
    position: relative;
    margin: 0 0 15px;
}
.rightitem{
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
    padding-left: 5px;
}
.icod4{
    width: 14px;
    height: 14px;
}

.showMingZSHH-split{
    height: 200px;
    border: 1px solid #dcdee2;
}
.showMingZSHH-split-pane{
    padding: 10px;
}






.el-menu-vertical-demo:not(.el-menu--collapse) {
    /* width: 200px; */
    min-height: 400px;
}

.span_Introduction{
     margin-top: 10px;
    font-size: 18px;
    text-align: left;
}

